Charlie Gibbs wrote
>>> On 2018-12-13, Jan Panteltje  wrote:
>> Yes that is differential GPS, in my case the GPS in the remote
>> is the ground station and the GPS in the drone the other one.
>> They call that 'follow me' mode, follow the remote, is what it does,
>
>Cool.  I suppose you could call that relative position rather than
>absolute position since you're carrying the ground station around
>with you rather than fixing it at an accurately-surveyed location.
>But it must be great for drone operation.

  https://youtu.be/bI_0mjwlvNw

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